WO1996019422A1 - Gas generator composition - Google Patents
Gas generator composition Download PDFInfo
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- WO1996019422A1 WO1996019422A1 PCT/JP1995/002622 JP9502622W WO9619422A1 WO 1996019422 A1 WO1996019422 A1 WO 1996019422A1 JP 9502622 W JP9502622 W JP 9502622W WO 9619422 A1 WO9619422 A1 WO 9619422A1
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- composition according
- composition
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- oxide
- gas
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B23/00—Compositions characterised by non-explosive or non-thermic constituents
- C06B23/02—Compositions characterised by non-explosive or non-thermic constituents for neutralising poisonous gases from explosives produced during blasting
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06D—MEANS FOR GENERATING SMOKE OR MIST; GAS-ATTACK COMPOSITIONS; GENERATION OF GAS FOR BLASTING OR PROPULSION (CHEMICAL PART)
- C06D5/00—Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets
- C06D5/06—Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets by reaction of two or more solids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S149/00—Explosive and thermic compositions or charges
- Y10S149/11—Particle size of a component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S149/00—Explosive and thermic compositions or charges
- Y10S149/11—Particle size of a component
- Y10S149/114—Inorganic fuel
Definitions
- the present invention relates to a gas generant composition, and more particularly, to a non-azide gas generant composition that burns and supplies a gas component to expand an automotive vacuum system.
- the requirements for a gas generating agent suitable for such an airbag system for automobiles are very strict.
- the back expansion time is required to be very short, usually within 40 to 50 milliseconds. ing.
- the atmosphere corresponding to the air composition inside the car is optimal.
- Alkaline gold azide and alkaline earth gold azide, commonly used at present, gas generation using sodium azide as a gas generation base The agent is an excellent one satisfying the above conditions.
- the gas generating agent has a serious drawback in that the main component is sodium azide and the alkaline component by-produced during gas generation is toxic. Concerns have been raised about iS pollution due to the mass disposal of vehicles equipped with items, and the health hazards of vehicles when gas is generated.
- J ⁇ — ⁇ — 3 — 208878 contains tetrazol, triazol or their metal salts with ammonium perchlorate, sodium phosphate, etc.
- a composition comprising, as a main component, an oxygen-containing oxidizing agent and a metal oxide such as V, 0, CuO, Fe.O, is disclosed.
- These gold oxides are susceptible to solid combustion, which is likely to evaporate when the unwanted substances in the gas are removed by filtration before discharging the gas generated in the airbag system into the bag.
- JP-B64-6156 and JP-B64-6157 disclose gas generating agents mainly containing a gold salt of a hydrogen-containing bitetrazole compound. ing. Furthermore, JP-A-3-208878 discloses a gas generating agent containing a transition metal complex of aminoazole as a main component.
- the non-azide compounds found in the above series of prior art documents are characterized by low carbon monoxide generated because the number of carbon atoms contained in one molecule is small. Nitrogen oxides, which are toxic to the human body, have increased, and the bag does not have satisfactory performance in terms of bag expansion time.
- Non-azide gas generators containing nitrogen-containing organic compounds such as azodicarbonamide and certain oxygen-containing inorganic oxidizers such as perchloric acid rim as active ingredients may cause environmental pollution.
- JP-A 6 — 32 68 9 and JP-A 6 — 32 6 are sufficient in terms of the expansion time, and are also advantageous in terms of cost. It is described in 90, JP-A 6-2 2 7 8 8 4.
- the amount of oxidizing agent that generates the amount of oxygen necessary for the combustion of carbon, hydrogen, and combustible elements in the organic compound that is, the oxidation of chemical equivalents or more
- the nitrogen-containing pedestal such as azodicarbonamide, which is a gas generating base of the above gas generating agent, takes into account that the number of carbon atoms contained in one molecule is large.
- H insect media are found in, for example, “Table of Classification of Hornworms by Reaction I” (edited by Tara PJ, Kyoto University), published by The Chemical Industry Co., Ltd., pp. 291-292. There are many components in : There are known catalysts that exhibit effective reactivity within a contact time of several tens of millimeters, such as the reaction conditions of a gas generator for air backing. you Razz, activity is low Te but V 2 0 5, CuO, Fe , 0, gold etc.)! At present, oxides are used.
- the present invention is a gas generating composition containing at least one nitrogen-containing organic compound, an oxygen-containing inorganic oxidizing agent, and at least one of the following third components (1) to (1).
- manganese dioxide having a specific surface area of 50 m 2 Zg or more
- a mixture comprising manganese dioxide and at least one metal oxide selected from the group consisting of copper oxide, cobalt oxide, antioxidant, and silver oxide.
- the third component may be a mixture of two or more components.
- the present invention provides an air bag system including the above-mentioned composition as a gas generating agent in an air bag system. In other words, it is an improvement of the gas generating agent in the air bag system.
- the third component is (1), and the specific surface area is more than 100 m 2 .g and more than 300 m 2 g.
- the third component (1) is contained in an amount of 1 to 40 or 110 to 30% by weight relative to the composition.
- the third component is (2), and its specific surface area is 100 m 2 g from 1.5 m 2 / g. This is the third component force (2), and the average particle S is 5 micron or less.
- the third component is (2), and its average particle size is 0.5 micron to 5 micron. It contains 114% by weight of the third component (2) with respect to the composition.
- 1 one 4 0 or in pairs to the composition (3> of the third component 1 -. 3 containing 0 wt% gold ⁇ product is, CuO, C 0, Co, 0 4, FeiO, and Ag 2 At least one selected from the group consisting of 0.
- the third component is
- the third component (4) is added to the composition by 1 to 4 0% by weight
- the nitrogen-containing organic compound is selected from the group consisting of an amino- or amide-containing organic compound and a tetrazole derivative; At least one species.
- the amide group or the amide group-containing organic compound is azodicarbon'amide or dicyandiamide.
- Tetrasol II conductor is an aminotetrasol.
- the oxygen-containing inorganic oxidizing agent is at least one selected from the group consisting of KN0, Sr (N0,), and KC10.
- Oxygen-containing inorganic oxidizing agent is S r (N0,) and KC 10, c nitrogen-containing organic compound is ⁇ a ⁇ product of Zojika Rubo N'a Mi Dodea is, oxygen-containing inorganic oxidizing agent KC 1 0 in, is there.
- the third component is (2), and its specific surface ridge is 1 in 2 Zg or more and the average abundance il is 5 or less.
- the present inventors have conducted intensive studies to solve the above-mentioned problems, and as a result, surprisingly, manganese dioxide having specific physical properties has an important part in reducing carbon monoxide and nitrogen oxides. It has been found that the first aspect of the present invention has been completed.
- the first embodiment of the present invention is characterized in that a gas generating composition containing a nitrogen-containing organic compound and an oxygen-containing inorganic oxidizing agent as essential components contains manganese dioxide having a specific surface area of 50 g or more. It is intended to provide a characteristic gas generating composition.
- the second embodiment of the present invention is characterized in that a gas generating composition containing a nitrogen-containing organic compound and an oxygen-containing inorganic oxidizing agent as essential components contains copper oxide having a specific surface area of 1 Zg or more. And a gas generating composition.
- the present inventors have conducted intensive studies to solve the above-mentioned problems, and surprisingly found that certain molybdenum compounds waited for a very important role of carbon monoxide and nitrogen oxides.
- the third aspect of the present invention has been completed.
- the third embodiment of the present invention relates to a gas generating composition
- a gas generating composition comprising a nitrogen-containing organic compound and an oxygen-containing inorganic oxidizing agent as essential components, comprising molybdenum dioxide, molybdenum trioxide, molybdic acid and
- An object of the present invention is to provide a gas generating composition characterized by containing at least one molybdenum compound selected from the group consisting of ammonium molybdate.
- the present inventors have conducted intensive studies to solve the above-mentioned problems, and as a result, surprisingly, the combination of manganese dioxide and a specific oxide has an important role in reducing nitrogen oxides. Having And completed the fourth embodiment of the present invention.
- the fourth embodiment of the present invention relates to a gas generating composition
- a gas generating composition comprising a nitrogen-containing organic compound and an oxygen-containing inorganic oxidizing agent as essential components, comprising manganese dioxide, copper oxide, cobalt oxide, and sulfur dioxide. It is intended to provide a gas generating composition characterized by containing a mixture comprising one or more metal oxides selected from the group consisting of a metal oxide and a silver oxide.
- two or more third components are mixed. That is, two or more groups may be combined from each group of (1) to (4), or one group may be combined from two or more different groups. In particular, one at a time from one of the groups (1), (2) and (3); A platform that combines two or more units is preferred. Therefore, carbon monoxide and nitrogen oxides are reduced.
- the gas generating composition of the present invention contains a nitrogen-containing organic compound and an oxygen-containing inorganic oxidizing agent as essential components.
- the nitrogen-containing organic compound used in the present invention is not particularly limited as long as it is an organic compound having a nitrogen atom in the molecule.
- an organic compound containing an ano group or an amide group Tetrazol derivatives can be mentioned.
- Specific examples of the amino- or amido-group-containing organically-modified organic material include azodicarbonamide, urea, aminoguanidine bicarbonate, and piure. And diazidine diamide, hydrazide, etc., preferably azodicarbonamide or dicyandiamide, and particularly preferably diazideamide. It is Zobon Carbon Amide.
- tetrazole derivatives include aminotetrazole, tetrazole, azotetrazole, bitetrazole, and tetrazole carbohydrate. Acids and their alkali metal salts, alkaline earth metal salts, and the like, preferably aminotetrazole.
- One of these nitrogen-containing organic compounds or a mixture of two or more thereof can be used.
- oxygen-containing inorganic oxidizing agent used in the present invention conventionally known ones such as nitrate, nitrite and oxyhalogenate can be widely used.
- potassium nitrate, sodium nitrate, strontium nitrate, potassium sulphite, sodium sulphite, sodium perchlorate And potassium perchlorate, sodium chlorate, and potassium chlorate can be widely used.
- Yo Ri Specifically K N0 , S r (N0, ), and KC 10 can that you use alone or as a mixture selected from 4, arbitrary particular KC 10, is preferred.
- the amount of chemical Sift that can completely oxidize and burn nitrogen-containing organic compounds on the basis of the acid * may be used, but it can be selected as appropriate according to the burning speed, burning temperature, combustion gas composition, etc. .
- an oxygen-containing inorganic oxidizing agent preferably about 100 to 100 parts by weight of a nitrogen-containing organic compound. It is advisable to add a slight excess of oxygen-containing inorganic oxidizing agent to a stoichiometric amount capable of completely oxidizing and burning, as long as the gas generation efficiency is not significantly reduced.
- the gas generating composition comprising a nitrogen-containing organic compound and an oxygen-containing inorganic oxidizing agent as essential components has a specific surface area of 50 n ⁇ Z g or more, preferably 100 to 300 g.
- Manganese dioxide is further distributed as an oxidation catalyst. If manganese dioxide with a specific surface area of 50 m 2 g or less is used, the effect of reducing carbon monoxide and nitrogen oxides in the generated gas cannot be obtained.
- Manganese dioxide can be manufactured by a method known in the art. For example, the method described in Catalyst Handbook by Element (Catalyst Society of Japan, published by Jinjinkan) P 411 to P 412 or the method described in DE Patent No. 1593320, JP — A3 — 68447 Although it can be produced, in order to obtain manganese dioxide having a specific surface area of 50 m 2 Zg or more, it is desirable to dry the produced manganese dioxide at a temperature of 20 CTC or less. If the drying temperature is high, part of the manganese dioxide is reduced and the activity is reduced with a decrease in the surface area, which is not desirable.
- the method for preparing manganese dioxide of the present invention by the above-mentioned method is not limited as long as the specific surface area is 50 ni 3 g or more.
- the particle size of manganese dioxide is not particularly limited, but is generally not preferable in the form of fine powder such as 0.5 // as described below, since the load on the filter at the time of filtration increases.
- the gas generating agent containing a nitrogen-containing violet organic compound and an oxygen-containing inorganic oxidizing agent as essential components has a specific surface area of 1 m '/ g or more, preferably 1.5 to 100.
- Oxide, which is m 2 , 'g, is further blended as an oxidation catalyst. If copper oxide having a specific surface area of less than 1 / g is used, the effect of reducing carbon monoxide in the generated gas cannot be obtained.
- Copper oxide can be produced by a method known in the art.
- copper hydroxide is obtained by adding a copper soda solution or an ammonia aqueous solution to a copper chloride aqueous solution and baking to obtain copper oxide.
- baking is performed near the temperature at which copper hydroxide decomposes and transforms into copper oxide, because copper oxide with high surface area and high surface area cannot be obtained at high baking temperature.
- it is carried out in the range of 200 to 500 ° C.
- an alkaline carbonate solution is added to a divalent copper salt solution to obtain a basic copper carbonate, which can be further calcined to obtain a copper oxide.
- the copper oxide obtained by such various methods is pulverized with an atomizer, a ball mill, or the like to obtain the oxide of the present invention.
- the specific surface area is 1 in 2 / These preparation methods are not limited as long as they are g or more.
- the particle size of the copper oxide is not particularly limited as long as it has a specific surface area of 1 m 2 / 'g or more, but is generally preferably 5 or less, more preferably in the range of 0.5 to 5. A value of more than 5 is not preferable because the activity is low, and a fine powder such as 0.5 is not preferable because the load on the filter at the time of filtration increases. Absent.
- a nitrogen-containing organic matter and an oxygen-containing inorganic oxidizing agent are required; in a gas generating agent as a shellfish component, molybdenum dioxide, molybdenum trioxide, and molybdic acid are used. And at least one molybdenum compound selected from the group consisting of ammonium molybdate and ammonium molybdate.
- molybdenum oxide-based catalysts can be produced by a known method in this field.
- a gas generating composition comprising a nitrogen-containing organic compound and an oxygen-containing inorganic oxidizing agent as essential components, comprising: manganese dioxide; copper oxide; cobalt oxide; A mixed body composed of one or more metal oxides selected from the group consisting of oxides and silver oxides is further compounded.
- the method for preparing the metal oxide used in the fourth embodiment of the present invention is not particularly limited. Effective ones as the above metal oxide used in the present invention, CuO, Cu a 0, Co , 0 4, Fe a 0, and one or more selected from Ag 2 0 Tona Ru group It is.
- the manganese dioxide may have a specific surface area of 50 m 3 / g or more and less than 50 mV g.
- the manganese dioxide used in the fourth embodiment of the present invention copper oxide, cobalt oxide, iron
- the distribution ratio of manganese dioxide in a mixture of one or two or more gold oxides selected from the group consisting of oxides and silver oxides to the above-mentioned gold oxides is as follows.
- the weight ratio of gun / the above metal oxide is preferably in the range of 0.2 / 1 to 50/1.
- the particle size of the mixture of manganese dioxide and the above-mentioned metal oxide is not particularly limited, but generally in the form of a fine powder having a particle size of 0.5 m or less, the mixture is filtered by a filter.
- the content of manganese dioxide in the composition of the first embodiment of the present invention is not particularly limited, a gas generating composition comprising a nitrogen-containing organic compound and an oxygen-containing inorganic oxidizing agent as essential components, Depending on the case, the composition may further include a decomposition accelerator for accelerating the decomposition of the nitrogen-containing organic matter to be added and a binder for improving the molding strength.
- the K range is 1 to 40 or 1 to 30% by weight, preferably 3 to 20% by weight, and more preferably 3 to 10% by weight. If the content of manganese dioxide is too large, the amount of generated gas per unit weight of the gas generating composition decreases, which is not preferable. Conversely, if the content is too small, it is not preferable because the effect of reducing the harmful gas component raffle degree is not exhibited.
- the content of copper oxide in the composition of the second embodiment of the present invention is not particularly limited, a gas generant composition containing a nitrogen-containing organic compound and an oxygen-containing inorganic oxidant as essential components, 1 to 40% by weight, preferably 3 to 30% by weight, and more preferably 3 to 25% by weight, based on the total amount of the composition containing the additive to be further distributed. Is between 5 and 20% by weight. It is not preferable that the content of the copper oxide is too large, because the gas generating capacity per unit overlap of the gas generating composition is reduced. Conversely, if the content is too small, the effect of reducing the concentration of the harmful gas component is not exhibited, which is not preferable.
- the content of the molybdenum compound in the composition of the third embodiment of the present invention is not particularly limited, but a gas generating composition comprising a nitrogen-containing organic compound and an oxygen-containing inorganic oxidizing agent as essential components, 1 to 40 or 1 to 30% by weight, preferably 3 to 30 or 3 to 3% by weight, based on the composition containing the additives to be further distributed. It is in the range of 20% by weight, more preferably 3 to 20 or 3 to 10% by weight. If the content of the molybdenum oxide-based catalyst is too large, the amount of gas generated per unit weight of the gas generating composition decreases, which is not preferable. Conversely, if the content is too small, the effect of reducing the concentration of harmful gas components is not exhibited, which is not preferable.
- the content of the above mixture in the composition of the fourth embodiment of the present invention is not particularly limited, but the gas generator composition containing a nitrogen-containing organic compound and an oxygen-containing inorganic oxidant as essential components. 1 to 40% by weight, preferably 3 to 30% by weight, more preferably 3 to 20 or 3 to 15% by weight, based on the composition containing the above additive to be further distributed. % By weight. It is not preferable that the content of the mixed product is too large because the amount of gas generated per unit weight of the gas generating composition is reduced. Conversely, if the content is too small, the effect of reducing the concentration of harmful gas components is not exhibited, which is not preferable.
- the amount of the two or more third components may be any. Preferably, it is 1 to 40, more preferably 3 to 30, more preferably 3 to 20% by weight, based on the total amount of the composition.
- the composition of the present invention may further contain a decomposition accelerator for accelerating the decomposition of the nitrogen-containing organic compound.
- a decomposition accelerator for accelerating the decomposition of the nitrogen-containing organic compound for that purpose, inorganic oxide-based and organic decomposition accelerators can be widely used.
- Inorganic oxide-based decomposition accelerators include Group I, II, 111, IV, V, and V1 and V1I except for molybdenum. And at least one oxide, chloride or carbonate of an element selected from the group consisting of Group V111 elements.
- oxides, chlorides or carbonates include boron, cerium, barium, calcium, vanadium, manganese, iron, Kono, lute, nickel, copper, zinc, titanium, antimony, oxides, chlorides or carbonates of lead or ytterbium; , B 2 0 3, Co, 0 4, NiO, CuO, ZnO, ZnCO,, MnO,, FeCl,, Pb, 0 4, Pb0 3, PbO, Sb, 0,, TiO 2 0 S, CeO a, Ba , 0,, CaO s, Yb , 0, such as Ru can and child like. Particularly preferred is CuO.
- the content is preferably 1 to 30% by weight in the composition of the present invention.
- the organic decomposition accelerator include urea.
- a binder can be added to the composition of the present invention for the purpose of further improving the molding strength of the gas generating composition.
- the binder include a microcrystalline cellulose binder such as Abicel (trade name), a polymer binder such as poval, an organic binder such as a powder killer, and a sol. And inorganic binders such as aluminum sol, zircazole and the like.
- the composition of the present invention is produced by mixing the above components.
- the resulting mixed composition can be used as it is as a gas generating agent; it is preferably used in the form of a formulation.
- an ordinary known method can be applied, and a binder can be appropriately selected.
- the shape of the preparation is not particularly limited, and examples thereof include pellets, discs, spheres, sugary sugars, tetrapods, and the like.
- the preparation may be non-porous or perforated It may be a material (for example, briquette, ring-shaped).
- the harmful components in the generated gas particularly the carbon monoxide and the nitrogen oxides, are removed.
- the concentration can be reduced to a level that can be practically used as an air back system for automobiles.
- DM-90 manganese dioxide, specific surface area 260 mg (nitrogen adsorption method) sold by Toyo CCI Co., Ltd. 8 parts, azodicarbonamide 45 parts, potassium perchlorate
- the powder of 55 parts and 10 parts of copper oxide were mixed well, and a 5% aqueous solution of soluble powder was added so that the binding powder content became 0.55 parts, and the mixture was further mixed.
- the powder is molded into pellets (9.7 mni length x 4 mmS), and a combustor having a filter and a coolant
- a tank test (the method described in JP-B52-3620, JP-B64-156, etc.) was carried out using carbon dioxide to determine the amount of carbon monoxide contained in the gas generated in the tank. The concentration was evaluated. The combustion pressure and the combustion time showed the desired values. Gas monoxide in the gas generated in the tank was analyzed by gas chromatography to be 0.8%, and nitrogen oxides were detected by the gas detector tube. As a result of the measurement, it was 100 ppm.
- Example 1- Example 1-Except for using EO 8 T (manganese dioxide, specific surface area 104 m 2 / g (nitrogen adsorption method)) sold as a manganese dioxide by Kyo Kagaku Co., Ltd.
- the concentrations of carbon monoxide and nitrogen oxides in the gas generated in the tank were evaluated in exactly the same way as in 1.
- the combustion pressure and the combustion time showed the desired values.
- the gas generated in the tank contained 1.1% of carbon monoxide and the concentration of nitrogen oxides was 1300pp.
- manganese dioxide manganese dioxide, specific surface area 21.5 Zg (nitrogen adsorption method) sold by Nacalai Tesque, Ltd. as manganese dioxide.
- concentrations of carbon monoxide and nitrogen oxide in the gas generated in the tank were evaluated.
- the combustion pressure and the combustion time showed desired values.
- the generated gas in the tank contained 2.5% of carbon monoxide and the concentration of nitrogen oxides was 2000ppm.
- Example 1-1 Except that the use of manganese dioxide in Example 1-1 was increased to 10 parts, carbon monoxide and nitrogen oxidation in the gas generated in the tank were completely the same as in Example 1-1. The concentration of the product was evaluated. The combustion pressure and the combustion time showed desired values. Carbon monoxide in the gas generated in the tank was 0.6%, and the concentration of nitrogen oxides was 700 ppm.
- the body is adjusted to the fineness and moisture content suitable for molding, and then molded into a pellet (9.7 mm0 X 4 mm), using a filter and a combustor with a coolant.
- a predetermined tank test (the method described in JP-B52-3620 and JP-B64-6156) was performed to evaluate the concentration of carbon monoxide in the gas generated in the tank.
- the desired values of the combustion pressure and the combustion time were shown.
- the amount of carbon monoxide in the gas generated in the tank was 0.3% as a result of analysis by gas chromatography.
- the concentration of carbon monoxide in the gas generated in the tank was evaluated in exactly the same manner as in Example 2-1 except that no copper oxide was added.
- the combustion pressure and the combustion time showed the desired values.
- the amount of carbon monoxide in the gas generated in the tank was analyzed by gas chromatography and found to be 3.3%.
- the copper oxide used in Examples 2 to 3 and sold by Nakarai Tesque Co., Ltd. was fired at 800 in the air stream and then pulverized to obtain a copper oxide medium.
- the specific surface area of this copper oxide catalyst was 0.31 m 2 / g. Except that this copper oxide was used, the degree of carbon monoxide in the gas generated in the tank was evaluated in exactly the same manner as in Example 2-1. The combustion pressure and the combustion time showed the desired values.
- the amount of carbon monoxide in the gas generated in the tank was 3.1% as a result of analysis by gas chromatograph.
- Example 2 — 2 — 4 A mixture of 27 parts of dicyamide diamide and 73 parts of potassium nitrate was made into a granulated powder adjusted to a particle size suitable for molding, and then pelletized. 5 mm 0 X 1.5 M). This was subjected to a tank test in the same manner as in Example 2-1 to evaluate the carbon monoxide in the gas generated in the tank. The combustion pressure and the combustion time showed the desired values. As a result of analysis by gas chromatography, the amount of carbon dioxide in the gas generated in the tank was 2.3%.
- Example 2 — 2 — 4 A mixture of 27 parts of dicyamide diamide and 73 parts of potassium nitrate was made into a granulated powder adjusted to a particle size suitable for molding, and then pelletized. 5 mm 0 X 1.5 M). This was subjected to a tank test in the same manner as in Example 2-1 to evaluate the carbon monoxide in the gas generated in the tank. The combustion pressure and the combustion time showed the desired values. As
- Example 2 10 calcined products (specific surface area: 0.31 m 2 / g) of oxide sold by Nakarai Tester Co., Ltd. used in 1-2, and dicyamide diamide 24 parts and 76 parts of nitric acid reamer are mixed and the obtained mixed powder is made into granulated powder adjusted to a particle size suitable for molding, and then pelletized (5 ⁇ 0 X 1.5) ).
- This was subjected to a tank test in the same manner as in Example 2-1 to evaluate the concentration of carbon monoxide in the gas generated in the tank.
- the combustion pressure and the combustion time showed the desired values.
- Carbon monoxide in the gas generated in the tank was 2.0% as a result of analysis by gas chromatography.
- the concentrations of carbon monoxide and nitrogen oxides in the gas generated in the tank were evaluated.
- the combustion pressure and the combustion time showed desired values.
- Analysis of the concentration of carbon monoxide in the gas generated in the tank by gas chromatography showed a value of 0.6%.
- the concentration of nitrogen oxides was analyzed using a detector tube and found to be 200 ⁇ 1 ⁇ .
- Carbon monoxide and nitrogen in the gas generated in the tank were exactly the same as in Example 3-1 except that 20 parts of molybdenic acid were used instead of 20 parts of molybdenum trioxide.
- the combustion pressure and combustion time for which the oxide concentration was evaluated showed values similar to those of Example 1.
- Analysis of the concentration of carbon monoxide in the gas generated in the tank by gas chromatography showed a value of 0.4%.
- the concentration of nitrogen oxides was analyzed by a detector tube and found to be 180 PPD1.
- Exhaust gas in the tank was produced in exactly the same manner as in Example 3-1 except that 20 parts of ammonium molybdenate were used instead of 20 parts of molybdenum trioxide.
- concentrations of carbon monoxide and nitrogen oxides in them were evaluated.
- the combustion pressure and the combustion time showed values similar to those of Example 1.
- the concentration of carbon monoxide in the gas generated in the tank by gas chromatography the value was 0.5%.
- the c Example 3 was the result lOOppm of analyzing the concentration of nitrogen oxides in the detector tube - 3 - 1
- the concentrations of carbon monoxide and nitrogen oxides in the generated gas in the tank were evaluated in exactly the same manner as in Example 3-1 except that 20 parts of molybdenum trioxide was not used.
- the values of combustion pressure and combustion time were similar to those of Example 3-1.
- Analysis of the concentration of carbon monoxide in the gas generated in the tank by gas chromatography showed a value of 2.3%.
- the concentration of nitrogen oxides was analyzed with a detector tube and found to be 2000ppm or more.
- Example 3-1 In the same manner as in Example 3-1, the concentrations of carbon monoxide and nitrogen oxide in the generated gas in the tank were evaluated. The combustion pressure and combustion time showed similar values to those of Example 3-1. As a result of analyzing the concentration of carbon monoxide in the generated gas in the tank by gas chromatography, a value of 0.7% was shown. In addition, the concentration of nitrogen oxides was analyzed by a detector tube and found to be 320 ppm.
- Example 3-1 Except that 10 parts of copper oxide and 10 parts of molybdic acid were used instead of 20 parts of molybdenum trioxide, one of the gases in the tank was produced in the same manner as in Example 3-1. The concentrations of carbon oxides and nitrogen oxides were evaluated. Combustion pressure and combustion time showed similar values to those of the case of I 13-1. As a result of analyzing the concentration of carbon monoxide in the gas generated in the tank by gas chromatography, the value was 0.6%. The concentration of nitrogen oxides was 270 ppm when analyzed by a detector tube.
- Example 3_1 Generated gas in the tank exactly as in Example 3_1 except that 10 parts of copper oxide and 10 parts of ammonium molybdate were used instead of 20 parts of molybdenum trioxide.
- concentrations of carbon monoxide and nitrogen oxides in them were evaluated.
- the combustion pressure and combustion time were similar to those of Example 3-1.
- the concentration of nitrogen oxides was 230 ppm when analyzed by a detector tube.
- Example 3 The concentration of carbon monoxide and nitrogen oxide in the gas generated in the tank was exactly the same as in Example 3-1 except that 10 parts of copper oxide was used instead of 20 parts of molybdenum trioxide. evaluated.
- the pressure and the burning time were similar to those of Example 3-1.
- a value of 1.5% was obtained.
- Tsu value der concentrations were analyzed by a detector tube results than 2000P P m of nitrogen oxides.
- the concentration of carbon monoxide and nitrogen oxides in the gas generated in the tank was exactly the same as in Example 3-1 except that 20 parts of copper oxide was used instead of 20 parts of molybdenum trioxide. evaluated.
- the combustion pressure and the combustion time were similar to those of Example 3-1.
- Gas generated in the tank As a result of analyzing the concentration of carbon monoxide therein by gas chromatography, it was found to be 1.4%.
- the concentration of nitrogen oxides was analyzed using a detector tube and found to be 2000 ⁇ or more.
- Manganese dioxide manufactured by Nakarai Tesque 10 parts, copper oxide (11) (manufactured by Chemco, N-300) 10 parts, azocarbonamide 30 Parts, 35 parts of perchloric acid realm and 35 parts of strontium nitrate, and 0.55 parts of a 5% aqueous solution of soluble powder.
- the mixture was further mixed and mixed, and the obtained wet powder was adjusted to a fineness and moisture content suitable for molding by 113 ⁇ 4, and then formed into a pellet (9.7 nira0 X 4 mm), and then filled.
- the specified tank test (the method described in JP-B52-3620 and JP-B64-6156) is performed using a combustor with a filter and a coolant.
- the nitrogen oxide concentration in the gas generated was evaluated.
- the combustion pressure and the combustion time showed the desired values.
- Nitrogen oxides in the gas generated in the tank were determined to be 600 ppji using a gas detector tube.
- the tank was prepared in the same manner as in Example 4-11 except that 10 parts of iron oxide (111) (manufactured by Nakarai Tesque) was used instead of 10 parts of copper (II) oxide.
- concentration of nitrogen oxides in the generated gas was evaluated.
- the combustion pressure and the combustion time showed the desired values.
- the concentration of nitrogen oxides in the gas generated in the tank was 700 ppm.
- Example 4-1 Except for using 10 parts of silver (I) oxide (manufactured by Nacalai Tesque) instead of 10 parts of copper (II) oxide, generation in the tank was performed in exactly the same manner as in Example 4-1.
- the nitrogen oxide concentration in the gas was evaluated.
- the combustion pressure and the combustion time showed the desired values.
- the concentration of nitrogen oxides in the gas generated in the tank was 650 ppm.
- Example 4-5 Oxide oxide (11) Occurrence in tanks in exactly the same manner as in Example 4-11 except that 10 parts of copper oxide (I) (manufactured by Nakarai Tester) was used instead of 10 parts The degree of nitrogen oxides in the gas was evaluated. The combustion pressure and the combustion time showed desired values. The concentration of nitrogen oxides in the gas generated in the tank was 600 ppm.
- the nitrogen oxide concentration in the generated gas in the tank was evaluated in exactly the same manner as in Example 1 except that diacid number manganese and copper oxide were not added.
- the combustion pressure and the combustion time showed the desired values.
- the portability of nitrogen oxides in the gas generated in the tank was over 2000 ppm.
- the nitrogen oxide concentration in the gas generated in the tank was evaluated in exactly the same manner as in Example 4-1 except that 10 parts of copper oxide (II) was not added.
- the combustion pressure and the combustion time showed the desired values.
- the concentration of nitrogen oxides in the generated gas in the tank was over 2000 ppm.
- the nitrogen oxide concentration in the gas generated in the kunk was evaluated in exactly the same manner as in Example 4-1 except that 10 parts of manganese dioxide was not added.
- the combustion pressure and the combustion time showed the desired values.
- the nitrogen oxide content in the gas generated in the tank was over 2000 ppm.
- the nitrogen oxide concentration in the gas generated in the tank was evaluated in exactly the same manner as in Example 4-1 except that 5 parts of silver (I) oxide was added.
- the combustion pressure and the combustion time showed the desired values.
- the concentration of nitrogen oxides in the generated gas in the tank was 440 ppm.
- the nitrogen oxide content in the gas generated in the tank was evaluated in the same manner as in Example 4-2 except that 5 parts of silver (I) oxide was added.
- the combustion pressure and the combustion time showed the desired values.
- the concentration of nitrogen oxides in the gas generated in the tank was 370 ⁇ .
- the nitrogen oxide concentration in the gas generated in the tank was changed in exactly the same manner as in Example 1 except that the amount of the hornworm medium was changed to 25 parts of manganese dioxide and 2 parts of copper (II) oxide. evaluated. The combustion pressure and the combustion time showed desired values. The concentration of nitrogen oxides in the gas generated in the tank was 630 ppm.
- the concentration of carbon monoxide and nitrogen oxide in the gas generated in the tank was evaluated in the same manner as in Example 5-1 except that 10 parts of molybdenum trioxide was used instead of 5 parts of copper oxide. did.
- the combustion pressure and the combustion time showed desired values.
- the concentration of carbon monoxide in the gas generated in the tank was 0.6%, and the concentration of nitrogen oxides was 280 ppm.
- the soil concentrations of carbon monoxide and nitrogen oxide in the gas generated in the tank were evaluated in the same manner as in Example 5-1 except that 10 parts of iron oxide was used instead of 5 parts of oxide.
- the combustion pressure and the combustion time showed the desired values.
- the concentration of carbon monoxide in the gas generated in the tank was 0.8%, and the concentration of nitrogen oxides was 580 ppm.
- Example 5-4 10 parts of molybdic acid, 10 parts of copper oxide and UF (specific surface area: 4.99 mVg (nitrogen adsorption method)) sold by Nikko Fine Products Co., Ltd., azocarbonyl amide 36 Parts, 32 parts of potassium perchlorate, 32 parts of strontium nitrate, and a 5% aqueous solution of soluble powder, and 0.55 parts of the powder to give a powder content of 0.5%. After mixing, the resulting wet powder is adjusted to a fineness and water content suitable for molding, and then molded into a pellet (9.7 niin0 X 4 mm).
- a prescribed tank test (the method described in JP-B52-36620, JP-B64-61656) is performed using a combustor with a lamp, and the tank is tested. The concentrations of carbon monoxide and nitrogen oxides in the gas generated from the test were evaluated. The combustion pressure and the combustion time showed the desired values. The concentration of carbon monoxide in the gas generated in the tank was 0.4% as a result of analysis by gas chromatography, and the concentration of nitrogen oxides was As a result of measurement using a gas detector tube, it was 250 ppm.
- Example 5_4 Copper oxide; t / F (specific surface area: 4.99 m 2 / g (nitrogen adsorption method)) DM-90 (manufactured by Toyo CCI Co., Ltd.) , Specific surface area 260m 2 / g (nitrogen adsorption method)) Except for adding 5 parts, the same procedure as in Example 5_4 was carried out to remove carbon monoxide and nitrogen oxides in the gas generated in the tank. Oo was evaluated. The combustion pressure and the combustion time showed the desired values. The concentration of carbon monoxide in the gas generated in the tank was 0.4%, and the concentration of nitrogen oxides was 240 ppm.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Catalysts (AREA)
- Air Bags (AREA)
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19581542T DE19581542T1 (de) | 1994-12-21 | 1995-12-21 | Gaserzeugende Zusammensetzung |
| JP51593096A JP3649738B2 (ja) | 1994-12-21 | 1995-12-21 | ガス発生剤組成物 |
Applications Claiming Priority (16)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6/318547 | 1994-12-21 | ||
| JP6/318549 | 1994-12-21 | ||
| JP6/318548 | 1994-12-21 | ||
| JP31854794 | 1994-12-21 | ||
| JP31854894 | 1994-12-21 | ||
| JP31854994 | 1994-12-21 | ||
| JP6/320108 | 1994-12-22 | ||
| JP32010894 | 1994-12-22 | ||
| JP7/295146 | 1995-11-14 | ||
| JP7/295145 | 1995-11-14 | ||
| JP7/295147 | 1995-11-14 | ||
| JP29514795 | 1995-11-14 | ||
| JP29514695 | 1995-11-14 | ||
| JP29514595 | 1995-11-14 | ||
| JP31873095 | 1995-12-07 | ||
| JP7/318730 | 1995-12-07 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US09/447,432 Division US6302979B1 (en) | 1994-12-21 | 1999-11-23 | Gas generant composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1996019422A1 true WO1996019422A1 (en) | 1996-06-27 |
Family
ID=27573620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1995/002622 Ceased WO1996019422A1 (en) | 1994-12-21 | 1995-12-21 | Gas generator composition |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US6302979B1 (ja) |
| DE (1) | DE19581542T1 (ja) |
| WO (1) | WO1996019422A1 (ja) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6156796A (en) * | 1996-06-04 | 2000-12-05 | Nippon Soda Co., Ltd. | Agricultural/horticultural fungicidal compositions |
| WO2001004074A1 (fr) * | 1999-07-09 | 2001-01-18 | Nippon Kayaku Kabushiki-Kaisha | Composition d'un agent activateur automatiquement inflammable |
| JP2008069038A (ja) * | 2006-09-14 | 2008-03-27 | Daicel Chem Ind Ltd | ガス発生剤組成物 |
| CN100381202C (zh) * | 2004-02-17 | 2008-04-16 | 株洲工学院科技开发部 | 一种高性能一氧化碳氧化催化剂及其制备方法 |
| CN100436384C (zh) * | 2001-04-20 | 2008-11-26 | 日本化药株式会社 | 气体发生组合物 |
| EP1275629A3 (de) * | 2001-07-10 | 2010-09-22 | TRW Airbag Systems GmbH & Co. KG | Nitrozellulosefreie gaserzeugende Zusammensetzung |
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|---|---|---|---|---|
| JP4500399B2 (ja) * | 2000-02-04 | 2010-07-14 | ダイセル化学工業株式会社 | トリアジン誘導体を含むガス発生剤組成物 |
| JP2002302010A (ja) * | 2001-04-04 | 2002-10-15 | Daicel Chem Ind Ltd | ハイブリッドインフレータの窒素酸化物の低減法 |
| US6558487B1 (en) * | 2001-07-24 | 2003-05-06 | The United States Of America As Represented By The Secretary Of The Army | Smoke generating compositions and methods of making the same |
| US20040094250A1 (en) * | 2002-11-14 | 2004-05-20 | Estes-Cox Corporation | Composite propellant compositions |
| US7150227B2 (en) | 2003-06-03 | 2006-12-19 | Daicel Chemical Industries, Ltd. | Multi-stage ignition type gas generator |
| US20100275808A1 (en) * | 2004-07-27 | 2010-11-04 | Stevens Bruce A | Gas generator containing a flash suppressant |
| US20060102259A1 (en) * | 2004-11-17 | 2006-05-18 | Taylor Robert D | Autoignition material and method |
| US20060219340A1 (en) * | 2005-03-31 | 2006-10-05 | Dunham Steven M | Gas generating system |
| US8273199B1 (en) | 2008-11-28 | 2012-09-25 | Tk Holdings, Inc. | Gas generating compositions with auto-ignition function |
| FR2964656B1 (fr) * | 2010-09-15 | 2012-10-12 | Snpe Materiaux Energetiques | Composes pyrotechniques generateurs de gaz |
| DE102010052628A1 (de) * | 2010-11-29 | 2012-05-31 | Rheinmetall Waffe Munition Gmbh | Perchloratfreie pyrotechnische Mischung |
| AU2016314774B2 (en) | 2015-09-01 | 2021-02-04 | The University Of Sydney | Blasting agent |
| RS67186B1 (sr) | 2018-02-20 | 2025-10-31 | Dyno Nobel Inc | Inhibirane emulzije za upotrebu u miniranju u reaktivnom tlu ili pod uslovima visokih temperatura |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6156796A (en) * | 1996-06-04 | 2000-12-05 | Nippon Soda Co., Ltd. | Agricultural/horticultural fungicidal compositions |
| WO2001004074A1 (fr) * | 1999-07-09 | 2001-01-18 | Nippon Kayaku Kabushiki-Kaisha | Composition d'un agent activateur automatiquement inflammable |
| US6562087B1 (en) | 1999-07-09 | 2003-05-13 | Nippon Kayaku Kabushiki-Kaisha | Automatically ignitable enhancer agent composition |
| CZ304826B6 (cs) * | 1999-07-09 | 2014-11-26 | Nippon Kayaku Kabushiki-Kaisha | Samozápalná kompozice podpůrného činidla |
| CN100436384C (zh) * | 2001-04-20 | 2008-11-26 | 日本化药株式会社 | 气体发生组合物 |
| EP1275629A3 (de) * | 2001-07-10 | 2010-09-22 | TRW Airbag Systems GmbH & Co. KG | Nitrozellulosefreie gaserzeugende Zusammensetzung |
| CN100381202C (zh) * | 2004-02-17 | 2008-04-16 | 株洲工学院科技开发部 | 一种高性能一氧化碳氧化催化剂及其制备方法 |
| JP2008069038A (ja) * | 2006-09-14 | 2008-03-27 | Daicel Chem Ind Ltd | ガス発生剤組成物 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19581542T1 (de) | 1999-04-01 |
| US20020023699A1 (en) | 2002-02-28 |
| US6302979B1 (en) | 2001-10-16 |
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